CVE-2006-5553
HIGH · CVSS 7.8EPSS 3.2%EU EUVD
Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- EPSS score
- 3.2% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-5538)
- Published
- October 26, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-5538 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / security agent
- cisco / security agent
- cisco / security agent
- cisco / security agent
- cisco / unified callmanager
- cisco / unified callmanager
- cisco / unified callmanager
- cisco / unified callmanager
- cisco / unified callmanager
- cisco / unified presence server
- cisco / unified presence server
References
- http://secunia.com/advisories/22574
- http://securitytracker.com/id?1017118
- http://www.cisco.com/en/US/products/products_security_advisory09186a00807693c7.shtml(Patch, Vendor Advisory)
- http://www.osvdb.org/30055
- http://www.securityfocus.com/bid/20737(Patch)
- http://www.vupen.com/english/advisories/2006/4198
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29829
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain